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The effect of sample treatment and composition on the photoluminescence of anatase pigments

Janes, R.; Edge, M.; Rigby, J.; Mourelatou, D. and Allen, N.S. (2001). The effect of sample treatment and composition on the photoluminescence of anatase pigments. Dyes and Pigments, 48(1) pp. 29–34.

DOI (Digital Object Identifier) Link: http://dx.doi.org/10.1016/S0143-7208(00)00081-4
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Abstract

We report low temperature luminescence studies of a series of pure and treated anatase pigments. The intensity of the green excitonic emission correlated with the photoactivity of the pigment, recombination being enhanced in milled and coated samples. Weak emission was also detected from amorphous titania gels and the photocatalytically active Degussa P25 pigment. The latter gave no evidence for segregation of photocarriers because of the multiphasic nature of the material. (C) 2001 Elsevier Science Ltd. All rights reserved

Item Type: Journal Article
ISSN: 0143-7208
Keywords: pigment; titanium dioxide; anatase; recombination; luminescence; photocatalysis
Academic Unit/Department: Science > Life, Health and Chemical Sciences
Interdisciplinary Research Centre: Biomedical Research Network (BRN)
Item ID: 6207
Depositing User: Astrid Peterkin
Date Deposited: 25 Jan 2007
Last Modified: 10 Mar 2014 10:28
URI: http://oro.open.ac.uk/id/eprint/6207
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